Well, these are: the Central Intelligence Agency (CIA), which is responsible for collecting and analyzing overseas intelligence openly and secretly; Publicity); Overseas; On a secret mission for the president. The CIA reports its daily work to the Director of National Intelligence. CFTC (Commodity Futures Trading Commission)-Supervises futures market transactions in the United States. Environmental Protection Agency (EPA)- Cooperate with state and local governments to reduce and control all environmental pollution; EPA sets and implements environmental standards and evaluates the negative impact of pollution; Manage the fund for cleaning up toxic waste areas. Federal Communications Commission (FCC)-Responsible for the supervision, licensing and price management of any domestic interstate and American external communication channels. Federal Reserve Board of the United States Central Bank; Manage and standardize the banking industry, implement monetary policy by buying and selling US Treasury bonds, and maintain a strong payment system. Federal Trade Commission (FTC)-Responsible for enforcing the federal antitrust and consumer protection laws; Investigate unfair trade incidents. General Services Administration (GSA)- provides daily logistics services to the federal government. The National Aeronautics and Space Administration (NASA) was established in-1957, and is responsible for the space program and long-term civil and military aerospace research. NARA (National Archives and Records Administration)-Preserve and manage the heritage of American historical documents. National Labor Relations Board (NLRB)- implements major federal labor laws (National Labor Relations Law); It also has the right to prevent or compensate unfair business practices and ensure that employees become and exercise their right to form trade unions. National Science Foundation (NSF)- supporting education and research in science and engineering through financial incentives; Encourage universities and colleges to cooperate with enterprises and governments around the world to conduct scientific research. OPM (Office of Personnel Management)-the personnel agency of the federal government; And maintain the political and metallurgical neutrality of federal government civil servants. The Peace Corps-196 1 was established to send trained volunteers overseas to help infrastructure construction in developing regions in the next two years. SBA (Small Business Administration) was established in-1953 to help small and minority businesses in the United States develop and survive. SSA (Social Security Administration)-Administers the American social security system. Securities and Exchange Commission (SEC)-protecting the rights of securities investors; Require listed companies to declare all business information to make it more transparent; Investigate and prosecute any fraud of the company. Usaid (United States Agency for International Development)-manages American funds that provide foreign economic and humanitarian assistance. USITC (United States International Trade Commission)-provides expertise in trade development for U.S. government departments and Congress; Prosecute those who infringe intellectual property rights. The U.S. Postal Service (USPS)- 197 1 is an autonomous public institution that undertakes postal services nationwide. Exchange international mail through the Universal Postal Union. The United States Postal Rate Commission (PRC) was established in-197 1 to advocate postal prices, and will be given greater regulatory power in 2007. National transportation safety board (NTSB) was established in-1967, specializing in safety and accident investigation of land, sea, air and pipeline transportation. The Federal Bureau of Investigation (FBI) is the main investigation agency of the US Department of Justice. According to Article 28, Section 533 of the United States Code, the Attorney General has the right to "appoint officials to investigate crimes against the United States", and other federal decrees give the FBI the power and responsibility to investigate specific crimes. The existing investigation authority of the FBI has exceeded 200 federal crimes. If you think it's ok, remember to choose the satisfactory answer. Thank you.